PHOTODEGRADATION OF BLENDS OF POLY(METHYL METHACRYLATE) AND POLY(STYRENE-CO-METHYL METHACRYLATE)

被引：9
|
作者：
TORIKAI, A
HIRAGA, S
FUEKI, K
机构：
[1] Department of Applied Chemistry, School of Engineering, Nagoya University, Nagoya
来源：
POLYMER DEGRADATION AND STABILITY | 1992年 / 37卷 / 01期
关键词：
D O I：
10.1016/0141-3910(92)90094-L
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The photodegradation of blends of poly(methyl methacrylate) (PMMA) and poly(styrene-co-methyl methacrylate) (poly(St-co-MMA)) was studied using ultraviolet and Fourier-transform infrared (FTIR) spectroscopy and viscosity measurements. PMMA-poly(St-co-MMA) blends give macroscopically transparent films. The rate of formation of the oxygenated product, measured by FTIR spectroscopy, increases with increase in the fraction of PMMA in the blend. The rate of decrease of viscosity average molecular weight increases as the PMMA content of the blend increases. No interaction between PMMA and poly(St-co-MMA) at the component boundary regions has been observed during the photodegradation of these blends.
引用
收藏
页码：73 / 76
页数：4
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